51472912 has 20 divisors (see below), whose sum is σ = 103168620. Its totient is φ = 24848768.

The previous prime is 51472909. The next prime is 51473027. The reversal of 51472912 is 21927415.

It can be written as a sum of positive squares in 2 ways, for example, as 8386816 + 43086096 = 2896^2 + 6564^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55003 + ... + 55930.

It is an arithmetic number, because the mean of its divisors is an integer number (5158431).

Almost surely, 2^51472912 is an apocalyptic number.

It is an amenable number.

51472912 is an abundant number, since it is smaller than the sum of its proper divisors (51695708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51472912 is a wasteful number, since it uses less digits than its factorization.

51472912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110970 (or 110964 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 51472912 is about 7174.4624885771. The cubic root of 51472912 is about 371.9857010729.

The spelling of 51472912 in words is "fifty-one million, four hundred seventy-two thousand, nine hundred twelve".